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Finding the Fourth Proportional to 117,602.68, 162,291.84 and 63,887.73

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Solution

The fourth proportional to 117,602.68, 162,291.84 and 63,887.73 is: 88,165.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,602.68 : 162,291.84 = 63,887.73 : x
  2. Step 2: Convert to fraction form
    117,602.68/162,291.84 = 63,887.73/x
  3. Step 3: Cross multiply
    117,602.68x = 162,291.84 × 63,887.73
  4. Step 4: Simplify right side
    117,602.68x = 10,368,457,660.85
  5. Step 5: Solve for x
    x = 10,368,457,660.85/117,602.68
  6. Step 6: Final answer
    x = 88,165.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.